Class CollectionUtils

java.lang.Object
org.elasticsearch.xpack.esql.core.util.CollectionUtils

public abstract class CollectionUtils extends Object
  • Constructor Details

    • CollectionUtils

      public CollectionUtils()
  • Method Details

    • isEmpty

      public static boolean isEmpty(Collection<?> col)
    • combine

      public static <T> List<T> combine(List<? extends T> left, List<? extends T> right)
    • combine

      @SafeVarargs public static <T> List<T> combine(Collection<? extends T>... collections)
    • combine

      @SafeVarargs public static <T> List<T> combine(Collection<? extends T> left, T... entries)
    • mapSize

      public static int mapSize(int size)
    • nullSafeList

      @SafeVarargs public static <T> List<T> nullSafeList(T... entries)